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  <title>Destroy a session</title>

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</div><hr /><div id="sessionhandlerinterface.destroy" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SessionHandlerInterface::destroy</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.4.0)</p><p class="refpurpose"><span class="refname">SessionHandlerInterface::destroy</span> &mdash; <span class="dc-title">Destroy a session</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-sessionhandlerinterface.destroy-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">abstract</span> <span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>SessionHandlerInterface::destroy</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$session_id</code></span>
   )</div>

  <p class="para rdfs-comment">
   Destroys a session. Called by <span class="function"><a href="function.session-regenerate-id.html" class="function">session_regenerate_id()</a></span> (with $destroy = <strong><code>TRUE</code></strong>),
   <span class="function"><a href="function.session-destroy.html" class="function">session_destroy()</a></span> and when <span class="function"><a href="function.session-decode.html" class="function">session_decode()</a></span> fails.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-sessionhandlerinterface.destroy-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">session_id</code></em></dt>

     <dd>

      <p class="para">
       The session ID being destroyed.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-sessionhandlerinterface.destroy-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   会话存储的返回值（通常成功返回 0，失败返回 1）。
  </p>
 </div>


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